package org.example.coupon.service;

import org.example.coupon.to.CouponTo;
import org.example.coupon.vo.CouponVo;

import java.util.List;

/**
 * @author xiaojie_cc
 * @version 1.0
 */
public interface CouponHistoryService{

    List<CouponTo> queryCouponMember();

    CouponVo queryCouponIsUsed(Long couponId);
}

